Fix issues with getBlockState(false) not loading Tile Entity data

This only impacted people who used our useSnapshots new API in a plugin,
which obviously was no one as the data result was completely broken.

Merged the NPE check patch into mine since it has to handle it too.

Spigot-Server-Patches/0235-Include-Log4J2-SLF4J-implementation.patch

@@ -0,0 +1,26 @@
+From be659b782e26a5a9f87641cd46ba7698776fcaca Mon Sep 17 00:00:00 2001
+From: Minecrell <minecrell@minecrell.net>
+Date: Thu, 21 Sep 2017 16:33:35 +0200
+Subject: [PATCH] Include Log4J2 SLF4J implementation
+
+
+diff --git a/pom.xml b/pom.xml
+index 1639621d7..bf04f6d12 100644
+--- a/pom.xml
++++ b/pom.xml
+@@ -98,6 +98,12 @@
+         </dependency>
+ 
+         <!-- Paper - Add additional Log4J dependencies -->
++        <dependency>
++            <groupId>org.apache.logging.log4j</groupId>
++            <artifactId>log4j-slf4j-impl</artifactId>
++            <version>2.8.1</version>
++            <scope>runtime</scope>
++        </dependency>
+         <dependency>
+             <groupId>org.apache.logging.log4j</groupId>
+             <artifactId>log4j-iostreams</artifactId>
+-- 
+2.18.0
+